There's 100 trillion good bacteria living in your body.
17
The average person's skin weighs twice as much as their brain.
131
One human hair can support 3 ounces.
191
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
A person can live without food for about a month, but only about a week without water.
156
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Held in farts enter your bloodstream and are bad for your body.
26